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Clinical Trial Summary

The main aim of this exploratory research study is to investigate how exposure to a material with low pH affects the skin microbiome and skin parameters. This investigation involves an experimental setup in which application of test patches with lowered pH levels or control patches without lowered pH are used. The test patches are applied on healthy adult volunteers. About 20 subjects are planned for the study. The skin microbiome preservation and diversity will be addressed employing Molecular Sequencing and qPCR. In addition, skin pH, composition and hydration will be measured with various methods, e.g., AquaFlux, Moisture Meter, TEWL and Confocal Raman spectroscopy. The study will span three consecutive days in total. Each participant will be provided with four patches on each forearm: two patches will be applied to each dorsal forearm and two on each volar forearm. The first day will be for study inclusion and application of pathces. In day two the patches will be changed and on day three measurements for pH, TEWL, skin hydration, Raman and tape stripping will be conducted and sampling for Molecular Sequencing and qPCR measurements will be done. There is no formal hypothesis in the study but our idea is that utilizing patches with a lower pH could maintain the diversity and richness of the natural skin microbiome while retaining and even enhancing key skin barrier parameters. A descriptive analysis will be conducted for all measurements with approproate statistical tests on 5% level for varaibles. In addition to descriptive data analysis statistics, Clinical Microbiomics and Bio-Me Microbiome Profiling will employ various statistical methods, such as paired Mann-Whitney U tests. The Benjamini-Hochberg (BH) method to control the false discovery rate (FDR) will be employed.


Clinical Trial Description

n/a


Study Design


Related Conditions & MeSH terms


NCT number NCT06363786
Study type Interventional
Source Essity Hygiene and Health AB
Contact Fredrik Agholme, PhD
Phone 0730323634
Email fredrik.agholme@essity.com
Status Not yet recruiting
Phase N/A
Start date April 15, 2024
Completion date September 30, 2024

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